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Very strange problem i have faced in my 2 years carrier
by umair shakil 16 Sep '07

16 Sep '07

Dear Concerns, I would like to share a very strange problem. I am from Pakistan/Islamabad. Last month i was on trainning from Askari Bank Limited (Juniper). Here in Askari i m running NMS--> MRTGs using CentOs 4.4. On trainning i recieved a call from collique saying "when i "su -l" NMS says "root user doesnot exist". and also MRTGs not working. well i was amazed how was it possible. In the Evening i came back to office. I boot the machine in single user mode and type the command; less /etc/passwd here when i found that user root existed, but the only thing that was amazing is; the spelling of root was changed from "root" to "R00t". i changed to "root" and every thing worked. I want to ask, what is this, this doesnot seem a garbage value or nor corruption of passwd file. only showing someone changes this. Here we have bank private network, only two people have access for it me and another guy. what are your opinions?????? Please also share your strange experience. Regards, Umair Shakil Askari bank Limited

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Software Raid 6
by Juan C. Valido 16 Sep '07

16 Sep '07

How slow and how reliable is software raid 6 on CentOS 5. The system I'm going to use is A socket 939 dual core Athlon, 4 gigs of ram and a 3ware 7506-8 controller. Its mostly going to be used for storage (Movies, MP3s etc.). Thanks.

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vsftp and nonpriv_user option question
by Blackburn, Marvin 16 Sep '07

16 Sep '07

thhis didnt go through completely the first time. I am a bit confused as to how this works. I created a local unpriveleged user (with /bin/nologin shell). i uncommented the line containing nopriv_user=ftpsecure and restarted vsftp. I am confused as to what is supposed to happen. Shuld the daemon /usr/sbin/vsftpd be run as root or should it be ftpsecure? Or is the account only used to login to transfer files? Any help would be appreciated. _____________________________________ "He's no failure. He's not dead yet." William Lloyd George

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Cron set_loginuid failed opening loginuid errors.
by Steven Haigh 15 Sep '07

15 Sep '07

Hi all, I've had this error rear it's ugly head again and I'm not exactly sure why. The output in /var/log/message is: crond[14764]: pam_loginuid(crond:session): set_loginuid failed opening loginuid crond[14765]: pam_loginuid(crond:session): set_loginuid failed opening loginuid crond[14811]: pam_loginuid(crond:session): set_loginuid failed opening loginuid crond[14842]: pam_loginuid(crond:session): set_loginuid failed opening loginuid This seems to happen every 5 minutes. Probably caused by the cacti cron jobs running. It looks to have started after the last krb5 updates - however this could be coincidence. $ cat crond # # The PAM configuration file for the cron daemon # # auth sufficient pam_rootok.so auth required pam_env.so auth include system-auth account required pam_access.so account include system-auth #session required pam_loginuid.so session include system-auth I commended out pam_loginuid.so - as I remember reading somewhere that this was the cause of this issue, however it hasn't made a difference this time... Does anyone have any insight in this? -- Steven Haigh Email: netwiz(a)crc.id.au Web: http://www.crc.id.au Phone: (03) 9001 6090 - 0412 935 897

2 2

Apache 2.2.3 ETag weirdness.
by Flaherty, Patrick 15 Sep '07

15 Sep '07

I'm looking to clarify this entry I found in a changelog(line 2062ish) on a CentOS 5 box for Apache 2.2.3 *) mod_include no longer allows an ETag header on 304 responses. PR 19355. [Geoffrey Young <geoff apache.org>, André Malo] Loading the mod_include module prevents any ETags headers from being sent from the box. If I comment out mod_include, ETags are sent as expected. CentOS 4 2.0.59 with mod_include does not show the same behavior, and ETags are sent both with and without mod_include loaded. If anyone can tell me the correct behavior, and if I need to file a bug I'd apreciate it. My assumption was anyfiles with an  statement would not get an ETag, but regular html without includes would be fine. Best Patrick

1 1

MS SQL server
by Tony Barratt 15 Sep '07

15 Sep '07

Hello List, I need to access some data a MS-SQL server ie run a stored procedure or user-defined function or a select every so often maybe 3 times a day. Have centos 4.5 on intel xeon. Is there an obvious certain-to-succeed approach? perl DBI + ODBC spings to mind, have not tried it yet - cannot access the systems yet - need to make a good plan. Am a bit concerned cos I dont know of an alternative to perl DBI + ODBC and I have heard a few anecdotes about how ODBC possibly problematic.. Any suggestions gratefully received and would be pleased to read the nice manual (if one is identified!). Tony

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mailq.postfix manpage
by Stefano Biagiotti 15 Sep '07

15 Sep '07

On CentOS 4 I can't view the mailq man page. I installed postfix and removed sendmail. # LANG=en_US man mailq fopen: No such file or directory Cannot open man page /usr/share/man/man1/sendmail.1.gz No manual entry for mailq # zcat /usr/share/man/man1/mailq.postfix.1.gz .so man1/sendmail.1 Solved replacing with ".so man1/sendmail.postfix.1". Has this little typo to be reported in the CentOS Bug Tracker? -- Stefano Biagiotti

2 5

logging tftpd
by Craig White 14 Sep '07

14 Sep '07

I'm trying to figure out where my bootloading breaks down on ltsp with a ppc client and so I changed /etc/xinetd.d/tftp... server_args = -vv -s /tftpboot but cannot figure out if/where it's getting logged - do I have to change something in syslogd.conf? -- Craig White <craig(a)tobyhouse.com>

1 0

Accidentally removed glibc & glibc-devel :: Help
by geekylucas 14 Sep '07

14 Sep '07

Hi, I attempted to ugprade glibc & glibc-devel and ended up removing them entirely by accident. *idiot* What are the steps needed to get glibc back onto my system. Absolutely nothing is working at the moment, rpm, yum, etc. I presume I'm going to have to boot from a rescue CD of some kind. If someone could outline how to do this, or point me to some docs I would be most grateful. (CentOS 4.3) LC.

6 5

How to upgrade WBEL4 to CentOS4?
by Eric B. 14 Sep '07

14 Sep '07

Hi, I've got a couple of servers that are running WBEL4 that I would like to upgrade to CentOS4. I noticed that there is a FAQ which explains how to upgrade WBEL3 to CentOS3, but haven't found anything similar for WBEL4. Are the instructions for the WBEL3 upgrade the same for WBEL4? Should I be doing something else instead? Any help would be greatly appreciated. Thanks, Eric

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